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insert into table1
select field1,field2,... from table2
where ... 
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insert into table1(field1,field2,...)
select field1,field2,... from table2
where ...
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strSql.Append("insert into tny_surveyArea(");
                        strSql.Append("surveyAreaId,TaskID,biologyId,biologyType,generationId,wormAgeId,statusId,damageCodeId,occurArea,deadTreeCount,Remark,SurveyTypeId,SurveyDate,surveyUserID,inputUserId,CheckStatus,GPSCoor,IsCheckData,SmallFieldID,Geometry, Geometry_XLO, Geometry_YLO, Geometry_XHI, Geometry_YHI");
                        strSql.Append(")");
                        strSql.Append(" select ");
                        strSql.Append("'" + model.surveyAreaId + "',");
                        strSql.Append("" + model.TaskID + ",");
                        strSql.Append("'" + model.biologyId + "',");
                        strSql.Append("'" + model.biologyType + "',");
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  filename = 'd:\yongfa365_com.mdf',  
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  maxsize = ......

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select a.FRMNO,a.GATE,a.MSGID,a.MailSendTime,a.UserNM, a.MailSubject,a.IsRead,a.FRMID,a.isattach,b.STATE ,a.FLOWSTATE from   ROAMSGE a, ROASTAT b where a.FRMID = b.FRMID and b.state='1'  and a.FrmNm like '%" + Cdorpsel1 + "%' and a.MAILSENDTIME>to_date('" + date1 + "','YYYY-MM-DD') ......
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